html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
}

footer {
    position: fixed;
    width: 100%;
    height: 50px;
    min-height: 50px;
    border-top: solid 1px #bbb;
    left: 0;
    bottom: 0;
    overflow: hidden;
    padding-left: 10px;
    padding-right: 50px;
    background-color: #fafafa;
}


.footer-right {
    position: absolute;
    width: 50px;
    height: 50px;
    right: 0;
    bottom: 0;
    text-align: center;
    vertical-align: middle;
    line-height: 100%;
    padding: 12px 5px;
    display: inline-block;
}
.footer-center {
    height: 100%;
    padding: 5px 0;
}
.footer-center [class*=input] {
    width: 100%;
    height: 100%;
    border-radius: 5px;
}
.footer-center .input-text {
    background: #fff;
    border: solid 1px #ddd;
    padding: 10px !important;
    font-size: 16px !important;
    line-height: 18px !important;
    overflow: hidden;
}

footer .mui-icon-send:before {
    content: "发送";
}
footer .mui-icon-send {
    font-size: 16px;
    word-break: keep-all;
    line-height: 100%;
    padding-top: 6px;
    color: rgba(0, 135, 250, 1);
}


.mui-content {
    height: 100%;
    padding: 44px 0 50px 0;
    overflow: auto;
    background-color: #eaeaea;
}

#msg-list {
    height: 100%;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
}

.msg-item {
    padding: 8px;
    clear: both;
}

.msg-item .msg-user-img{
    width: 38px;
    height: 38px;
    display: inline-block;
    border-radius: 3px;
    vertical-align: top;
    text-align: center;
    float: left;
    color: #ddd;
}

.msg-item .msg-content {
    display: inline-block;
    border-radius: 5px;
    border: solid 1px #d3d3d3;
    background-color: #FFFFFF;
    color: #333;
    padding: 8px;
    vertical-align: top;
    font-size: 15px;
    position: relative;
    margin: 0 8px;
    max-width: 75%;
    min-width: 35px;
    float: left;
}
.msg-item .msg-content .msg-content-inner {
    overflow-x: hidden;
}
.msg-item .msg-content .msg-content-arrow {
    position: absolute;
    border: solid 1px #d3d3d3;
    border-right: none;
    border-top: none;
    background-color: #FFFFFF;
    width: 10px;
    height: 10px;
    left: -5px;
    top: 12px;
    -webkit-transform: rotateZ(45deg);
    transform: rotateZ(45deg);
}
.msg-item-self .msg-user-img,
.msg-item-self .msg-content {
    float: right;
}
.msg-item-self .msg-content .msg-content-arrow {
    left: auto;
    right: -5px;
    -webkit-transform: rotateZ(225deg);
    transform: rotateZ(225deg);
}
.msg-item-self .msg-content,
.msg-item-self .msg-content .msg-content-arrow {
    background-color: #4CD964;
    color: #fff;
    border-color: #2AC845;
}

.msg-item .mui-item-clear {
    clear: both;
}

